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Finding the Third Proportional to 422,010,432 and 899,762,688

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Solution

The third proportional to 422,010,432 and 899,762,688 is: 1,918,371,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,010,432 : 899,762,688 = 899,762,688 : x
  2. Step 2: Convert to fraction form
    422,010,432/899,762,688 = 899,762,688/x
  3. Step 3: Cross multiply
    422,010,432x = 899,762,688 × 899,762,688
  4. Step 4: Simplify right side
    422,010,432x = 809,572,894,716,985,344
  5. Step 5: Solve for x
    x = 809,572,894,716,985,344/422,010,432
  6. Step 6: Final answer
    x = 1,918,371,758.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.