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Finding the Third Proportional to 103,480 and 110,587

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Solution

The third proportional to 103,480 and 110,587 is: 118,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,480 : 110,587 = 110,587 : x
  2. Step 2: Convert to fraction form
    103,480/110,587 = 110,587/x
  3. Step 3: Cross multiply
    103,480x = 110,587 × 110,587
  4. Step 4: Simplify right side
    103,480x = 12,229,484,569
  5. Step 5: Solve for x
    x = 12,229,484,569/103,480
  6. Step 6: Final answer
    x = 118,182.11

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.