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Finding the Third Proportional to 130,958,831.50 and 285,168,209

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Solution

The third proportional to 130,958,831.50 and 285,168,209 is: 620,965,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,958,831.50 : 285,168,209 = 285,168,209 : x
  2. Step 2: Convert to fraction form
    130,958,831.50/285,168,209 = 285,168,209/x
  3. Step 3: Cross multiply
    130,958,831.50x = 285,168,209 × 285,168,209
  4. Step 4: Simplify right side
    130,958,831.50x = 81,320,907,424,267,680
  5. Step 5: Solve for x
    x = 81,320,907,424,267,680/130,958,831.50
  6. Step 6: Final answer
    x = 620,965,432.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.