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Finding the Third Proportional to 30,134,988 and 65,407,240

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Solution

The third proportional to 30,134,988 and 65,407,240 is: 141,964,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134,988 : 65,407,240 = 65,407,240 : x
  2. Step 2: Convert to fraction form
    30,134,988/65,407,240 = 65,407,240/x
  3. Step 3: Cross multiply
    30,134,988x = 65,407,240 × 65,407,240
  4. Step 4: Simplify right side
    30,134,988x = 4,278,107,044,417,600
  5. Step 5: Solve for x
    x = 4,278,107,044,417,600/30,134,988
  6. Step 6: Final answer
    x = 141,964,783.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.