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Finding the Third Proportional to 143,549,303.63 and 314,893,463.63

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Solution

The third proportional to 143,549,303.63 and 314,893,463.63 is: 690,758,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,549,303.63 : 314,893,463.63 = 314,893,463.63 : x
  2. Step 2: Convert to fraction form
    143,549,303.63/314,893,463.63 = 314,893,463.63/x
  3. Step 3: Cross multiply
    143,549,303.63x = 314,893,463.63 × 314,893,463.63
  4. Step 4: Simplify right side
    143,549,303.63x = 99,157,893,433,749,200
  5. Step 5: Solve for x
    x = 99,157,893,433,749,200/143,549,303.63
  6. Step 6: Final answer
    x = 690,758,442.78

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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.