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Finding the Third Proportional to 157,369 and 249,568.50

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Solution

The third proportional to 157,369 and 249,568.50 is: 395,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,369 : 249,568.50 = 249,568.50 : x
  2. Step 2: Convert to fraction form
    157,369/249,568.50 = 249,568.50/x
  3. Step 3: Cross multiply
    157,369x = 249,568.50 × 249,568.50
  4. Step 4: Simplify right side
    157,369x = 62,284,436,192.25
  5. Step 5: Solve for x
    x = 62,284,436,192.25/157,369
  6. Step 6: Final answer
    x = 395,785.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.