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Finding the Third Proportional to 12,956,422 and 28,353,547

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Solution

The third proportional to 12,956,422 and 28,353,547 is: 62,048,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,422 : 28,353,547 = 28,353,547 : x
  2. Step 2: Convert to fraction form
    12,956,422/28,353,547 = 28,353,547/x
  3. Step 3: Cross multiply
    12,956,422x = 28,353,547 × 28,353,547
  4. Step 4: Simplify right side
    12,956,422x = 803,923,627,481,209
  5. Step 5: Solve for x
    x = 803,923,627,481,209/12,956,422
  6. Step 6: Final answer
    x = 62,048,274.40

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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.