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Finding the Third Proportional to 30,286,710 and 66,124,028

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Solution

The third proportional to 30,286,710 and 66,124,028 is: 144,366,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286,710 : 66,124,028 = 66,124,028 : x
  2. Step 2: Convert to fraction form
    30,286,710/66,124,028 = 66,124,028/x
  3. Step 3: Cross multiply
    30,286,710x = 66,124,028 × 66,124,028
  4. Step 4: Simplify right side
    30,286,710x = 4,372,387,078,944,784
  5. Step 5: Solve for x
    x = 4,372,387,078,944,784/30,286,710
  6. Step 6: Final answer
    x = 144,366,525.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.