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Finding the Third Proportional to 4,719,127.50 and 7,287,321

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Solution

The third proportional to 4,719,127.50 and 7,287,321 is: 11,253,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719,127.50 : 7,287,321 = 7,287,321 : x
  2. Step 2: Convert to fraction form
    4,719,127.50/7,287,321 = 7,287,321/x
  3. Step 3: Cross multiply
    4,719,127.50x = 7,287,321 × 7,287,321
  4. Step 4: Simplify right side
    4,719,127.50x = 53,105,047,357,041
  5. Step 5: Solve for x
    x = 53,105,047,357,041/4,719,127.50
  6. Step 6: Final answer
    x = 11,253,149.52

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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.