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Finding the Third Proportional to 30,500,872.50 and 67,054,428

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Solution

The third proportional to 30,500,872.50 and 67,054,428 is: 147,415,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500,872.50 : 67,054,428 = 67,054,428 : x
  2. Step 2: Convert to fraction form
    30,500,872.50/67,054,428 = 67,054,428/x
  3. Step 3: Cross multiply
    30,500,872.50x = 67,054,428 × 67,054,428
  4. Step 4: Simplify right side
    30,500,872.50x = 4,496,296,314,407,184
  5. Step 5: Solve for x
    x = 4,496,296,314,407,184/30,500,872.50
  6. Step 6: Final answer
    x = 147,415,334.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.