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Finding the Third Proportional to 3,147,412 and 6,900,056

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Solution

The third proportional to 3,147,412 and 6,900,056 is: 15,126,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,412 : 6,900,056 = 6,900,056 : x
  2. Step 2: Convert to fraction form
    3,147,412/6,900,056 = 6,900,056/x
  3. Step 3: Cross multiply
    3,147,412x = 6,900,056 × 6,900,056
  4. Step 4: Simplify right side
    3,147,412x = 47,610,772,803,136
  5. Step 5: Solve for x
    x = 47,610,772,803,136/3,147,412
  6. Step 6: Final answer
    x = 15,126,959.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.