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Finding the Third Proportional to 249,287 and 528,482

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Solution

The third proportional to 249,287 and 528,482 is: 1,120,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,287 : 528,482 = 528,482 : x
  2. Step 2: Convert to fraction form
    249,287/528,482 = 528,482/x
  3. Step 3: Cross multiply
    249,287x = 528,482 × 528,482
  4. Step 4: Simplify right side
    249,287x = 279,293,224,324
  5. Step 5: Solve for x
    x = 279,293,224,324/249,287
  6. Step 6: Final answer
    x = 1,120,368.19

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.