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Finding the Third Proportional to 30,018,877.50 and 70,792,853.75

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Solution

The third proportional to 30,018,877.50 and 70,792,853.75 is: 166,949,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018,877.50 : 70,792,853.75 = 70,792,853.75 : x
  2. Step 2: Convert to fraction form
    30,018,877.50/70,792,853.75 = 70,792,853.75/x
  3. Step 3: Cross multiply
    30,018,877.50x = 70,792,853.75 × 70,792,853.75
  4. Step 4: Simplify right side
    30,018,877.50x = 5,011,628,142,068,889
  5. Step 5: Solve for x
    x = 5,011,628,142,068,889/30,018,877.50
  6. Step 6: Final answer
    x = 166,949,218.61

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.