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Finding the Third Proportional to 30,975,480 and 63,939,672

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Solution

The third proportional to 30,975,480 and 63,939,672 is: 131,984,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,480 : 63,939,672 = 63,939,672 : x
  2. Step 2: Convert to fraction form
    30,975,480/63,939,672 = 63,939,672/x
  3. Step 3: Cross multiply
    30,975,480x = 63,939,672 × 63,939,672
  4. Step 4: Simplify right side
    30,975,480x = 4,088,281,655,467,584
  5. Step 5: Solve for x
    x = 4,088,281,655,467,584/30,975,480
  6. Step 6: Final answer
    x = 131,984,448.84

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.