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Finding the Third Proportional to 12,352,987.50 and 17,820,812.25

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Solution

The third proportional to 12,352,987.50 and 17,820,812.25 is: 25,708,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,987.50 : 17,820,812.25 = 17,820,812.25 : x
  2. Step 2: Convert to fraction form
    12,352,987.50/17,820,812.25 = 17,820,812.25/x
  3. Step 3: Cross multiply
    12,352,987.50x = 17,820,812.25 × 17,820,812.25
  4. Step 4: Simplify right side
    12,352,987.50x = 317,581,349,249,750.06
  5. Step 5: Solve for x
    x = 317,581,349,249,750.06/12,352,987.50
  6. Step 6: Final answer
    x = 25,708,869.96

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.