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Finding the Third Proportional to 15,672,871 and 33,242,121

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Solution

The third proportional to 15,672,871 and 33,242,121 is: 70,506,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,871 : 33,242,121 = 33,242,121 : x
  2. Step 2: Convert to fraction form
    15,672,871/33,242,121 = 33,242,121/x
  3. Step 3: Cross multiply
    15,672,871x = 33,242,121 × 33,242,121
  4. Step 4: Simplify right side
    15,672,871x = 1,105,038,608,578,641
  5. Step 5: Solve for x
    x = 1,105,038,608,578,641/15,672,871
  6. Step 6: Final answer
    x = 70,506,457.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.