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Finding the Third Proportional to 157,338 and 249,260

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Solution

The third proportional to 157,338 and 249,260 is: 394,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,338 : 249,260 = 249,260 : x
  2. Step 2: Convert to fraction form
    157,338/249,260 = 249,260/x
  3. Step 3: Cross multiply
    157,338x = 249,260 × 249,260
  4. Step 4: Simplify right side
    157,338x = 62,130,547,600
  5. Step 5: Solve for x
    x = 62,130,547,600/157,338
  6. Step 6: Final answer
    x = 394,885.84

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.