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Finding the Third Proportional to 12,618,540 and 27,390,654

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Solution

The third proportional to 12,618,540 and 27,390,654 is: 59,456,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,540 : 27,390,654 = 27,390,654 : x
  2. Step 2: Convert to fraction form
    12,618,540/27,390,654 = 27,390,654/x
  3. Step 3: Cross multiply
    12,618,540x = 27,390,654 × 27,390,654
  4. Step 4: Simplify right side
    12,618,540x = 750,247,926,547,716
  5. Step 5: Solve for x
    x = 750,247,926,547,716/12,618,540
  6. Step 6: Final answer
    x = 59,456,000.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.