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Finding the Third Proportional to 249,348 and 551,196

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Solution

The third proportional to 249,348 and 551,196 is: 1,218,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,348 : 551,196 = 551,196 : x
  2. Step 2: Convert to fraction form
    249,348/551,196 = 551,196/x
  3. Step 3: Cross multiply
    249,348x = 551,196 × 551,196
  4. Step 4: Simplify right side
    249,348x = 303,817,030,416
  5. Step 5: Solve for x
    x = 303,817,030,416/249,348
  6. Step 6: Final answer
    x = 1,218,445.83

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.