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Finding the Third Proportional to 121,792,580 and 175,969,246

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Solution

The third proportional to 121,792,580 and 175,969,246 is: 254,245,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,792,580 : 175,969,246 = 175,969,246 : x
  2. Step 2: Convert to fraction form
    121,792,580/175,969,246 = 175,969,246/x
  3. Step 3: Cross multiply
    121,792,580x = 175,969,246 × 175,969,246
  4. Step 4: Simplify right side
    121,792,580x = 30,965,175,537,808,516
  5. Step 5: Solve for x
    x = 30,965,175,537,808,516/121,792,580
  6. Step 6: Final answer
    x = 254,245,172.72

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.