Home / 15,270,549.75-21,360,982.50

Finding the Third Proportional to 15,270,549.75 and 21,360,982.50

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Solution

The third proportional to 15,270,549.75 and 21,360,982.50 is: 29,880,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,549.75 : 21,360,982.50 = 21,360,982.50 : x
  2. Step 2: Convert to fraction form
    15,270,549.75/21,360,982.50 = 21,360,982.50/x
  3. Step 3: Cross multiply
    15,270,549.75x = 21,360,982.50 × 21,360,982.50
  4. Step 4: Simplify right side
    15,270,549.75x = 456,291,573,365,306.25
  5. Step 5: Solve for x
    x = 456,291,573,365,306.25/15,270,549.75
  6. Step 6: Final answer
    x = 29,880,494.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.