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Finding the Third Proportional to 105,698,532 and 161,706,920

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Solution

The third proportional to 105,698,532 and 161,706,920 is: 247,393,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,698,532 : 161,706,920 = 161,706,920 : x
  2. Step 2: Convert to fraction form
    105,698,532/161,706,920 = 161,706,920/x
  3. Step 3: Cross multiply
    105,698,532x = 161,706,920 × 161,706,920
  4. Step 4: Simplify right side
    105,698,532x = 26,149,127,975,886,400
  5. Step 5: Solve for x
    x = 26,149,127,975,886,400/105,698,532
  6. Step 6: Final answer
    x = 247,393,482.97

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.