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Finding the Third Proportional to 86,820,120 and 180,785,160

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Solution

The third proportional to 86,820,120 and 180,785,160 is: 376,448,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,820,120 : 180,785,160 = 180,785,160 : x
  2. Step 2: Convert to fraction form
    86,820,120/180,785,160 = 180,785,160/x
  3. Step 3: Cross multiply
    86,820,120x = 180,785,160 × 180,785,160
  4. Step 4: Simplify right side
    86,820,120x = 32,683,274,076,225,600
  5. Step 5: Solve for x
    x = 32,683,274,076,225,600/86,820,120
  6. Step 6: Final answer
    x = 376,448,155.98

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.