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Finding the Third Proportional to 1,854,642 and 3,908,547

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Solution

The third proportional to 1,854,642 and 3,908,547 is: 8,237,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,642 : 3,908,547 = 3,908,547 : x
  2. Step 2: Convert to fraction form
    1,854,642/3,908,547 = 3,908,547/x
  3. Step 3: Cross multiply
    1,854,642x = 3,908,547 × 3,908,547
  4. Step 4: Simplify right side
    1,854,642x = 15,276,739,651,209
  5. Step 5: Solve for x
    x = 15,276,739,651,209/1,854,642
  6. Step 6: Final answer
    x = 8,237,028.85

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.