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Finding the Third Proportional to 45,355,558.50 and 70,038,421.50

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Solution

The third proportional to 45,355,558.50 and 70,038,421.50 is: 108,153,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355,558.50 : 70,038,421.50 = 70,038,421.50 : x
  2. Step 2: Convert to fraction form
    45,355,558.50/70,038,421.50 = 70,038,421.50/x
  3. Step 3: Cross multiply
    45,355,558.50x = 70,038,421.50 × 70,038,421.50
  4. Step 4: Simplify right side
    45,355,558.50x = 4,905,380,486,211,662
  5. Step 5: Solve for x
    x = 4,905,380,486,211,662/45,355,558.50
  6. Step 6: Final answer
    x = 108,153,898.85

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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.