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Finding the Third Proportional to 12,880,812 and 27,779,382

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Solution

The third proportional to 12,880,812 and 27,779,382 is: 59,910,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,812 : 27,779,382 = 27,779,382 : x
  2. Step 2: Convert to fraction form
    12,880,812/27,779,382 = 27,779,382/x
  3. Step 3: Cross multiply
    12,880,812x = 27,779,382 × 27,779,382
  4. Step 4: Simplify right side
    12,880,812x = 771,694,064,301,924
  5. Step 5: Solve for x
    x = 771,694,064,301,924/12,880,812
  6. Step 6: Final answer
    x = 59,910,358.47

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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.