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Finding the Third Proportional to 35,985,618 and 78,360,516

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Solution

The third proportional to 35,985,618 and 78,360,516 is: 170,634,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985,618 : 78,360,516 = 78,360,516 : x
  2. Step 2: Convert to fraction form
    35,985,618/78,360,516 = 78,360,516/x
  3. Step 3: Cross multiply
    35,985,618x = 78,360,516 × 78,360,516
  4. Step 4: Simplify right side
    35,985,618x = 6,140,370,467,786,256
  5. Step 5: Solve for x
    x = 6,140,370,467,786,256/35,985,618
  6. Step 6: Final answer
    x = 170,634,014.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.