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Finding the Third Proportional to 147,948 and 211,564

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Solution

The third proportional to 147,948 and 211,564 is: 302,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,948 : 211,564 = 211,564 : x
  2. Step 2: Convert to fraction form
    147,948/211,564 = 211,564/x
  3. Step 3: Cross multiply
    147,948x = 211,564 × 211,564
  4. Step 4: Simplify right side
    147,948x = 44,759,326,096
  5. Step 5: Solve for x
    x = 44,759,326,096/147,948
  6. Step 6: Final answer
    x = 302,534.17

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.