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Finding the Third Proportional to 35,888,343 and 78,724,178

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Solution

The third proportional to 35,888,343 and 78,724,178 is: 172,688,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,888,343 : 78,724,178 = 78,724,178 : x
  2. Step 2: Convert to fraction form
    35,888,343/78,724,178 = 78,724,178/x
  3. Step 3: Cross multiply
    35,888,343x = 78,724,178 × 78,724,178
  4. Step 4: Simplify right side
    35,888,343x = 6,197,496,201,775,684
  5. Step 5: Solve for x
    x = 6,197,496,201,775,684/35,888,343
  6. Step 6: Final answer
    x = 172,688,279.36

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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.