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Finding the Third Proportional to 68,019,442.88 and 138,893,875.88

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Solution

The third proportional to 68,019,442.88 and 138,893,875.88 is: 283,617,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,019,442.88 : 138,893,875.88 = 138,893,875.88 : x
  2. Step 2: Convert to fraction form
    68,019,442.88/138,893,875.88 = 138,893,875.88/x
  3. Step 3: Cross multiply
    68,019,442.88x = 138,893,875.88 × 138,893,875.88
  4. Step 4: Simplify right side
    68,019,442.88x = 19,291,508,755,579,908
  5. Step 5: Solve for x
    x = 19,291,508,755,579,908/68,019,442.88
  6. Step 6: Final answer
    x = 283,617,564.92

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.