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Finding the Third Proportional to 747,738,687 and 1,636,197,703.50

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Solution

The third proportional to 747,738,687 and 1,636,197,703.50 is: 3,580,318,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,738,687 : 1,636,197,703.50 = 1,636,197,703.50 : x
  2. Step 2: Convert to fraction form
    747,738,687/1,636,197,703.50 = 1,636,197,703.50/x
  3. Step 3: Cross multiply
    747,738,687x = 1,636,197,703.50 × 1,636,197,703.50
  4. Step 4: Simplify right side
    747,738,687x = 2,677,142,924,938,673,664
  5. Step 5: Solve for x
    x = 2,677,142,924,938,673,664/747,738,687
  6. Step 6: Final answer
    x = 3,580,318,862.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.