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Finding the Third Proportional to 155,503.50 and 240,130.50

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Solution

The third proportional to 155,503.50 and 240,130.50 is: 370,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,503.50 : 240,130.50 = 240,130.50 : x
  2. Step 2: Convert to fraction form
    155,503.50/240,130.50 = 240,130.50/x
  3. Step 3: Cross multiply
    155,503.50x = 240,130.50 × 240,130.50
  4. Step 4: Simplify right side
    155,503.50x = 57,662,657,030.25
  5. Step 5: Solve for x
    x = 57,662,657,030.25/155,503.50
  6. Step 6: Final answer
    x = 370,812.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.