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Finding the Third Proportional to 242,707.50 and 379,903.50

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Solution

The third proportional to 242,707.50 and 379,903.50 is: 594,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,707.50 : 379,903.50 = 379,903.50 : x
  2. Step 2: Convert to fraction form
    242,707.50/379,903.50 = 379,903.50/x
  3. Step 3: Cross multiply
    242,707.50x = 379,903.50 × 379,903.50
  4. Step 4: Simplify right side
    242,707.50x = 144,326,669,312.25
  5. Step 5: Solve for x
    x = 144,326,669,312.25/242,707.50
  6. Step 6: Final answer
    x = 594,652.70

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.