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Finding the Third Proportional to 8,417,403 and 18,148,275

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Solution

The third proportional to 8,417,403 and 18,148,275 is: 39,128,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417,403 : 18,148,275 = 18,148,275 : x
  2. Step 2: Convert to fraction form
    8,417,403/18,148,275 = 18,148,275/x
  3. Step 3: Cross multiply
    8,417,403x = 18,148,275 × 18,148,275
  4. Step 4: Simplify right side
    8,417,403x = 329,359,885,475,625
  5. Step 5: Solve for x
    x = 329,359,885,475,625/8,417,403
  6. Step 6: Final answer
    x = 39,128,444.42

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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.