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Finding the Third Proportional to 13,156,287,909 and 28,409,459,943

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Solution

The third proportional to 13,156,287,909 and 28,409,459,943 is: 61,346,895,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,287,909 : 28,409,459,943 = 28,409,459,943 : x
  2. Step 2: Convert to fraction form
    13,156,287,909/28,409,459,943 = 28,409,459,943/x
  3. Step 3: Cross multiply
    13,156,287,909x = 28,409,459,943 × 28,409,459,943
  4. Step 4: Simplify right side
    13,156,287,909x = 807,097,414,252,921,618,432
  5. Step 5: Solve for x
    x = 807,097,414,252,921,618,432/13,156,287,909
  6. Step 6: Final answer
    x = 61,346,895,099.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.