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Finding the Third Proportional to 8,316,564 and 12,440,982

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Solution

The third proportional to 8,316,564 and 12,440,982 is: 18,610,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,564 : 12,440,982 = 12,440,982 : x
  2. Step 2: Convert to fraction form
    8,316,564/12,440,982 = 12,440,982/x
  3. Step 3: Cross multiply
    8,316,564x = 12,440,982 × 12,440,982
  4. Step 4: Simplify right side
    8,316,564x = 154,778,033,124,324
  5. Step 5: Solve for x
    x = 154,778,033,124,324/8,316,564
  6. Step 6: Final answer
    x = 18,610,814.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.