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Finding the Third Proportional to 8,681,598 and 12,771,458

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Solution

The third proportional to 8,681,598 and 12,771,458 is: 18,788,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,598 : 12,771,458 = 12,771,458 : x
  2. Step 2: Convert to fraction form
    8,681,598/12,771,458 = 12,771,458/x
  3. Step 3: Cross multiply
    8,681,598x = 12,771,458 × 12,771,458
  4. Step 4: Simplify right side
    8,681,598x = 163,110,139,445,764
  5. Step 5: Solve for x
    x = 163,110,139,445,764/8,681,598
  6. Step 6: Final answer
    x = 18,788,031.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.