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Finding the Third Proportional to 555,106.50 and 830,422.13

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Solution

The third proportional to 555,106.50 and 830,422.13 is: 1,242,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,106.50 : 830,422.13 = 830,422.13 : x
  2. Step 2: Convert to fraction form
    555,106.50/830,422.13 = 830,422.13/x
  3. Step 3: Cross multiply
    555,106.50x = 830,422.13 × 830,422.13
  4. Step 4: Simplify right side
    555,106.50x = 689,600,905,689.52
  5. Step 5: Solve for x
    x = 689,600,905,689.52/555,106.50
  6. Step 6: Final answer
    x = 1,242,285.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.