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Finding the Third Proportional to 21,953,812,681.50 and 29,620,847,688

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Solution

The third proportional to 21,953,812,681.50 and 29,620,847,688 is: 39,965,478,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953,812,681.50 : 29,620,847,688 = 29,620,847,688 : x
  2. Step 2: Convert to fraction form
    21,953,812,681.50/29,620,847,688 = 29,620,847,688/x
  3. Step 3: Cross multiply
    21,953,812,681.50x = 29,620,847,688 × 29,620,847,688
  4. Step 4: Simplify right side
    21,953,812,681.50x = 877,394,617,755,694,923,776
  5. Step 5: Solve for x
    x = 877,394,617,755,694,923,776/21,953,812,681.50
  6. Step 6: Final answer
    x = 39,965,478,000.78

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.