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Finding the Third Proportional to 2,870,169,921 and 4,492,599,835.50

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Solution

The third proportional to 2,870,169,921 and 4,492,599,835.50 is: 7,032,145,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,169,921 : 4,492,599,835.50 = 4,492,599,835.50 : x
  2. Step 2: Convert to fraction form
    2,870,169,921/4,492,599,835.50 = 4,492,599,835.50/x
  3. Step 3: Cross multiply
    2,870,169,921x = 4,492,599,835.50 × 4,492,599,835.50
  4. Step 4: Simplify right side
    2,870,169,921x = 20,183,453,281,934,626,816
  5. Step 5: Solve for x
    x = 20,183,453,281,934,626,816/2,870,169,921
  6. Step 6: Final answer
    x = 7,032,145,774.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.