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Finding the Third Proportional to 98,970 and 153,312

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Solution

The third proportional to 98,970 and 153,312 is: 237,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,970 : 153,312 = 153,312 : x
  2. Step 2: Convert to fraction form
    98,970/153,312 = 153,312/x
  3. Step 3: Cross multiply
    98,970x = 153,312 × 153,312
  4. Step 4: Simplify right side
    98,970x = 23,504,569,344
  5. Step 5: Solve for x
    x = 23,504,569,344/98,970
  6. Step 6: Final answer
    x = 237,491.86

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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.