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Finding the Third Proportional to 349,010 and 553,540

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Solution

The third proportional to 349,010 and 553,540 is: 877,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,010 : 553,540 = 553,540 : x
  2. Step 2: Convert to fraction form
    349,010/553,540 = 553,540/x
  3. Step 3: Cross multiply
    349,010x = 553,540 × 553,540
  4. Step 4: Simplify right side
    349,010x = 306,406,531,600
  5. Step 5: Solve for x
    x = 306,406,531,600/349,010
  6. Step 6: Final answer
    x = 877,930.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.