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Finding the Third Proportional to 7,663,572 and 12,772,080

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Solution

The third proportional to 7,663,572 and 12,772,080 is: 21,285,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,572 : 12,772,080 = 12,772,080 : x
  2. Step 2: Convert to fraction form
    7,663,572/12,772,080 = 12,772,080/x
  3. Step 3: Cross multiply
    7,663,572x = 12,772,080 × 12,772,080
  4. Step 4: Simplify right side
    7,663,572x = 163,126,027,526,400
  5. Step 5: Solve for x
    x = 163,126,027,526,400/7,663,572
  6. Step 6: Final answer
    x = 21,285,900.04

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.