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Finding the Third Proportional to 45,355,568 and 70,038,434

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Solution

The third proportional to 45,355,568 and 70,038,434 is: 108,153,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355,568 : 70,038,434 = 70,038,434 : x
  2. Step 2: Convert to fraction form
    45,355,568/70,038,434 = 70,038,434/x
  3. Step 3: Cross multiply
    45,355,568x = 70,038,434 × 70,038,434
  4. Step 4: Simplify right side
    45,355,568x = 4,905,382,237,172,356
  5. Step 5: Solve for x
    x = 4,905,382,237,172,356/45,355,568
  6. Step 6: Final answer
    x = 108,153,914.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.