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Finding the Third Proportional to 145,143 and 224,280

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Solution

The third proportional to 145,143 and 224,280 is: 346,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,143 : 224,280 = 224,280 : x
  2. Step 2: Convert to fraction form
    145,143/224,280 = 224,280/x
  3. Step 3: Cross multiply
    145,143x = 224,280 × 224,280
  4. Step 4: Simplify right side
    145,143x = 50,301,518,400
  5. Step 5: Solve for x
    x = 50,301,518,400/145,143
  6. Step 6: Final answer
    x = 346,565.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.