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Finding the Third Proportional to 755,287.50 and 1,643,385

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Solution

The third proportional to 755,287.50 and 1,643,385 is: 3,575,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,287.50 : 1,643,385 = 1,643,385 : x
  2. Step 2: Convert to fraction form
    755,287.50/1,643,385 = 1,643,385/x
  3. Step 3: Cross multiply
    755,287.50x = 1,643,385 × 1,643,385
  4. Step 4: Simplify right side
    755,287.50x = 2,700,714,258,225
  5. Step 5: Solve for x
    x = 2,700,714,258,225/755,287.50
  6. Step 6: Final answer
    x = 3,575,743.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.