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Finding the Third Proportional to 72,628,878.50 and 155,619,205

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Solution

The third proportional to 72,628,878.50 and 155,619,205 is: 333,439,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628,878.50 : 155,619,205 = 155,619,205 : x
  2. Step 2: Convert to fraction form
    72,628,878.50/155,619,205 = 155,619,205/x
  3. Step 3: Cross multiply
    72,628,878.50x = 155,619,205 × 155,619,205
  4. Step 4: Simplify right side
    72,628,878.50x = 24,217,336,964,832,024
  5. Step 5: Solve for x
    x = 24,217,336,964,832,024/72,628,878.50
  6. Step 6: Final answer
    x = 333,439,500.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.