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Finding the Third Proportional to 158,689,501 and 245,109,015

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Solution

The third proportional to 158,689,501 and 245,109,015 is: 378,591,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,689,501 : 245,109,015 = 245,109,015 : x
  2. Step 2: Convert to fraction form
    158,689,501/245,109,015 = 245,109,015/x
  3. Step 3: Cross multiply
    158,689,501x = 245,109,015 × 245,109,015
  4. Step 4: Simplify right side
    158,689,501x = 60,078,429,234,270,224
  5. Step 5: Solve for x
    x = 60,078,429,234,270,224/158,689,501
  6. Step 6: Final answer
    x = 378,591,077.90

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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.