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Finding the Third Proportional to 987,457.50 and 2,124,765

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Solution

The third proportional to 987,457.50 and 2,124,765 is: 4,571,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,457.50 : 2,124,765 = 2,124,765 : x
  2. Step 2: Convert to fraction form
    987,457.50/2,124,765 = 2,124,765/x
  3. Step 3: Cross multiply
    987,457.50x = 2,124,765 × 2,124,765
  4. Step 4: Simplify right side
    987,457.50x = 4,514,626,305,225
  5. Step 5: Solve for x
    x = 4,514,626,305,225/987,457.50
  6. Step 6: Final answer
    x = 4,571,970.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.