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Finding the Third Proportional to 45,355,570 and 70,038,437

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Solution

The third proportional to 45,355,570 and 70,038,437 is: 108,153,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355,570 : 70,038,437 = 70,038,437 : x
  2. Step 2: Convert to fraction form
    45,355,570/70,038,437 = 70,038,437/x
  3. Step 3: Cross multiply
    45,355,570x = 70,038,437 × 70,038,437
  4. Step 4: Simplify right side
    45,355,570x = 4,905,382,657,402,969
  5. Step 5: Solve for x
    x = 4,905,382,657,402,969/45,355,570
  6. Step 6: Final answer
    x = 108,153,919.30

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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.