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Finding the Third Proportional to 4,971,585 and 7,677,166.50

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Solution

The third proportional to 4,971,585 and 7,677,166.50 is: 11,855,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971,585 : 7,677,166.50 = 7,677,166.50 : x
  2. Step 2: Convert to fraction form
    4,971,585/7,677,166.50 = 7,677,166.50/x
  3. Step 3: Cross multiply
    4,971,585x = 7,677,166.50 × 7,677,166.50
  4. Step 4: Simplify right side
    4,971,585x = 58,938,885,468,722.25
  5. Step 5: Solve for x
    x = 58,938,885,468,722.25/4,971,585
  6. Step 6: Final answer
    x = 11,855,149.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.