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Finding the Third Proportional to 30,018,872 and 70,792,840

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Solution

The third proportional to 30,018,872 and 70,792,840 is: 166,949,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018,872 : 70,792,840 = 70,792,840 : x
  2. Step 2: Convert to fraction form
    30,018,872/70,792,840 = 70,792,840/x
  3. Step 3: Cross multiply
    30,018,872x = 70,792,840 × 70,792,840
  4. Step 4: Simplify right side
    30,018,872x = 5,011,626,195,265,600
  5. Step 5: Solve for x
    x = 5,011,626,195,265,600/30,018,872
  6. Step 6: Final answer
    x = 166,949,184.34

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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.