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Finding the Third Proportional to 372,915 and 591,421.50

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Solution

The third proportional to 372,915 and 591,421.50 is: 937,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,915 : 591,421.50 = 591,421.50 : x
  2. Step 2: Convert to fraction form
    372,915/591,421.50 = 591,421.50/x
  3. Step 3: Cross multiply
    372,915x = 591,421.50 × 591,421.50
  4. Step 4: Simplify right side
    372,915x = 349,779,390,662.25
  5. Step 5: Solve for x
    x = 349,779,390,662.25/372,915
  6. Step 6: Final answer
    x = 937,960.10

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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.