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Finding the Third Proportional to 98,643 and 213,053

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Solution

The third proportional to 98,643 and 213,053 is: 460,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,643 : 213,053 = 213,053 : x
  2. Step 2: Convert to fraction form
    98,643/213,053 = 213,053/x
  3. Step 3: Cross multiply
    98,643x = 213,053 × 213,053
  4. Step 4: Simplify right side
    98,643x = 45,391,580,809
  5. Step 5: Solve for x
    x = 45,391,580,809/98,643
  6. Step 6: Final answer
    x = 460,160.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.