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Finding the Third Proportional to 45,487,894.50 and 65,048,218.50

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Solution

The third proportional to 45,487,894.50 and 65,048,218.50 is: 93,019,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,487,894.50 : 65,048,218.50 = 65,048,218.50 : x
  2. Step 2: Convert to fraction form
    45,487,894.50/65,048,218.50 = 65,048,218.50/x
  3. Step 3: Cross multiply
    45,487,894.50x = 65,048,218.50 × 65,048,218.50
  4. Step 4: Simplify right side
    45,487,894.50x = 4,231,270,730,023,742
  5. Step 5: Solve for x
    x = 4,231,270,730,023,742/45,487,894.50
  6. Step 6: Final answer
    x = 93,019,709.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.