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Finding the Third Proportional to 4,977,513 and 10,859,871

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Solution

The third proportional to 4,977,513 and 10,859,871 is: 23,693,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,513 : 10,859,871 = 10,859,871 : x
  2. Step 2: Convert to fraction form
    4,977,513/10,859,871 = 10,859,871/x
  3. Step 3: Cross multiply
    4,977,513x = 10,859,871 × 10,859,871
  4. Step 4: Simplify right side
    4,977,513x = 117,936,798,136,641
  5. Step 5: Solve for x
    x = 117,936,798,136,641/4,977,513
  6. Step 6: Final answer
    x = 23,693,920.67

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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.