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Finding the Third Proportional to 64,602,120.50 and 99,298,130.50

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Solution

The third proportional to 64,602,120.50 and 99,298,130.50 is: 152,628,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,602,120.50 : 99,298,130.50 = 99,298,130.50 : x
  2. Step 2: Convert to fraction form
    64,602,120.50/99,298,130.50 = 99,298,130.50/x
  3. Step 3: Cross multiply
    64,602,120.50x = 99,298,130.50 × 99,298,130.50
  4. Step 4: Simplify right side
    64,602,120.50x = 9,860,118,720,795,030
  5. Step 5: Solve for x
    x = 9,860,118,720,795,030/64,602,120.50
  6. Step 6: Final answer
    x = 152,628,406.69

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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.