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Finding the Third Proportional to 3,157,575 and 6,645,243

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Solution

The third proportional to 3,157,575 and 6,645,243 is: 13,985,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,575 : 6,645,243 = 6,645,243 : x
  2. Step 2: Convert to fraction form
    3,157,575/6,645,243 = 6,645,243/x
  3. Step 3: Cross multiply
    3,157,575x = 6,645,243 × 6,645,243
  4. Step 4: Simplify right side
    3,157,575x = 44,159,254,529,049
  5. Step 5: Solve for x
    x = 44,159,254,529,049/3,157,575
  6. Step 6: Final answer
    x = 13,985,179.93

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.