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Finding the Third Proportional to 115,897,411.50 and 248,619,220.50

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Solution

The third proportional to 115,897,411.50 and 248,619,220.50 is: 533,329,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,897,411.50 : 248,619,220.50 = 248,619,220.50 : x
  2. Step 2: Convert to fraction form
    115,897,411.50/248,619,220.50 = 248,619,220.50/x
  3. Step 3: Cross multiply
    115,897,411.50x = 248,619,220.50 × 248,619,220.50
  4. Step 4: Simplify right side
    115,897,411.50x = 61,811,516,802,027,624
  5. Step 5: Solve for x
    x = 61,811,516,802,027,624/115,897,411.50
  6. Step 6: Final answer
    x = 533,329,571.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.