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Finding the Third Proportional to 45,435,341 and 70,486,547

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Solution

The third proportional to 45,435,341 and 70,486,547 is: 109,349,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435,341 : 70,486,547 = 70,486,547 : x
  2. Step 2: Convert to fraction form
    45,435,341/70,486,547 = 70,486,547/x
  3. Step 3: Cross multiply
    45,435,341x = 70,486,547 × 70,486,547
  4. Step 4: Simplify right side
    45,435,341x = 4,968,353,307,983,209
  5. Step 5: Solve for x
    x = 4,968,353,307,983,209/45,435,341
  6. Step 6: Final answer
    x = 109,349,972.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.