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Finding the Third Proportional to 170,818 and 249,642

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Solution

The third proportional to 170,818 and 249,642 is: 364,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,818 : 249,642 = 249,642 : x
  2. Step 2: Convert to fraction form
    170,818/249,642 = 249,642/x
  3. Step 3: Cross multiply
    170,818x = 249,642 × 249,642
  4. Step 4: Simplify right side
    170,818x = 62,321,128,164
  5. Step 5: Solve for x
    x = 62,321,128,164/170,818
  6. Step 6: Final answer
    x = 364,839.35

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.